Problem solving
PROBLEM SOLVING · IMAT Doutor1 / 1
A car covers 60 km at 60 km/h and then a further 60 km at 120 km/h. What is its average speed over the whole journey?
A
90 km/h
B
85 km/h
C
80 km/h
D
75 km/h
E
100 km/h
Keyboard: A–E to choose, Shift + letter to cross out, Enter to confirm.